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प्रश्न
Select the most appropriate answer.
Scorpions and spiders are
विकल्प
crustaceans
arachnids
myriapods
insects
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उत्तर
arachnids
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संबंधित प्रश्न
Give two examples of Coelenterates:
Write one difference between the following pair:
Platyheminthes and Nematoda
Select the most appropriate answer.
Organs of excretion in annelids are
Fill in the blank.
Vertebrates which spend a part of their life on land but reproduce in water are called ..................
Find the odd one out. Give reason.
frog, shark, seahorse, carp
Find the odd one out. Give reason.
snail, oyster, earthworm, octopus
Answer in detail.
Write two characteristics of amphibians.
Given below are groups of animals, and their characteristics features. Some of the features are incorrect. Identify the odd one out in each.
| Group | Characteristic features | Odd one out |
| Porifera | porous animals, have tentacles, fixed to surface | |
| Amphibia | cold-blooded, lungs in adults, scaly skin | |
| Aves | cold-blooded, wings, feathers, bones with large air spaces | |
| Pisces | live in water, scaly skin warm-blooded, fins for swimming |
Given below is an animal followed by three terms or features. Underline the term which does not match with the animal.
Fish - Gills, paired fins, ear drum
Mention any one major similarity and one major difference in the following pairs of an animal:
Snakes and Earthworms
